[  516.387780] bond0: (slave eth0): making interface the new active one
[  516.387845] bond0: (slave eth0): Enslaving as an active interface with an up link
[  520.605608] bond0: (slave eth0): Releasing backup interface
[  520.730306] bond0: (slave eth0): Enslaving as an active interface with an up link
[  524.948022] bond0: (slave eth0): Releasing backup interface
[  524.975923] bond0 (unregistering): Released all slaves